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Antenna woes (lemmy.radio)

submitted 1 week ago by early_riser@lemmy.radio to c/amateur_radio@lemmy.radio

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I'm mostly thinking out loud here.

I have an Icom 9700 connected to a set of egg beater antennas. The other day I noticed high SWR on 70 cm, so I broke out the dummy load and tested the patch cable running from the radio to the wall panel (along with the barrel connector on the wall panel). SWR was fine there. Then I took the outdoor feedline off the antenna and tested it there. Everything seems fine there too. Plugged it back into the antenna and the high SWR returned.

Seems the antenna is the problem, but I'm not sure how to fix it. The other egg beater is doing fine.

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[–] early_riser@lemmy.radio 1 points 1 day ago

The ends of the antenna that connect to the terminals were rusted. I sanded them down with a dremel and that seems to have fixed the issue